Company lists · Data verified August 2026

Top 25 Climate resilience consulting firms based in the United Kingdom

Name: Climate resilience consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 756 companies tracked

There are 756 climate resilience consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 119,097 professional contacts across them, including 47,277 with verified work emails and 18,695 with mobile numbers. London is the largest hub.

This list covers climate resilience consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

756Companies

119,097Contacts tracked

47,277Verified emails

18,695Mobile numbers

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The 25 largest climate resilience consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 756 climate resilience consulting firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	AECOM	Peterborough	10001+	64,359	21,416
2	Arcadis	Croydon	10001+	33,933	16,114
3	Exponent	London	1,001-5,000	1,561	980
4	JBA Consulting	Skipton	501-1,000	717	525
5	Ricardo PLC	London	1,001-5,000	680	290
6	E CO	London	n/a	623	49
7	ADP Consulting	London	201-500	463	270
8	Hydrock, NOW Stantec	Hale	501-1,000	357	156
9	Mercer UK	London	10001+	334	155
10	Atelier TEN	London	51-200	321	229
11	Wardell Armstrong LLP Part Of SLR	Edinburgh	501-1,000	253	131
12	The Erith Group	London	501-1,000	215	127
13	Pegasys Consulting	London	51-200	170	98
14	Arthian LTD	Anglesey	201-500	152	105
15	Evora Global	London	51-200	149	120
16	Consultus	Rochford	51-200	127	106
17	Climate X	London	51-200	100	66
18	ARUP	Solihull	501-1,000	96	27
19	3keel	Oxford	51-200	93	65
20	Greengage Environmental LTD	Manchester	51-200	92	52
21	Lanpro	London	51-200	86	51
22	Rappor	Bristol	51-200	75	55
23	Envirocentre	Glasgow	51-200	70	45
24	RSP Consulting Engineers	Aberdeen	51-200	60	19
25	Whitehouse Construction CO LTD	Ashbourne	51-200	60	15

Showing 25 of 756 climate resilience consulting firms based in the United Kingdom

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Climate resilience consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 277 HQs

18,695Contacts with mobile numbers

214Emails re-verified in last 30 days

Companies by employee count

1-10

556

11-50

132

51-200

201-500

501-1,000

1,001-5,000

10001+

Climate resilience consulting firms by metro

Metro	Companies
Climate resilience consulting firms in London	277
Climate resilience consulting firms in Manchester	23
Climate resilience consulting firms in Bristol	18
Climate resilience consulting firms in Oxford	17
Climate resilience consulting firms in Glasgow	15
Climate resilience consulting firms in Edinburgh	15
Climate resilience consulting firms in York	9

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “climate resilience consulting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 214 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many climate resilience consulting firms are there based in the United Kingdom?

There are 756 climate resilience consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

AECOM, headquartered in Peterborough, tops this list with the largest team on record.

Which city has the most climate resilience consulting firms?

London leads with 277 headquartered companies, followed by Manchester (23) and Bristol (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 47,277 verified decision-maker contacts tracked across these 756 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.